Finding the Third Proportional to 2,421,999 and 5,709,330

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421,999 : 5,709,330 = 5,709,330 : x
2. Step 2: Convert to fraction form
   2,421,999/5,709,330 = 5,709,330/x
3. Step 3: Cross multiply
   2,421,999x = 5,709,330 × 5,709,330
4. Step 4: Simplify right side
   2,421,999x = 32,596,449,048,900
5. Step 5: Solve for x
   x = 32,596,449,048,900/2,421,999
6. Step 6: Final answer
   x = 13,458,489.89